... customize the flexibility to choose Cooperation With Enterprise As Below Company Structure Our Pcb Capability 1Layer1-28 layer2MaterialFR-4, ... /HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5-4.0oz10Solder mask ... days8 days8 daysFactory View And Pcb Product We look forward to receiving your enquiry with gerber file, and assure ...